-18, 97 S.Ct. 1972, 52 L.Ed.2d 617 (1977); United States v. Thirty—Seven (37) Photographs, 402 U.S. 363, 376, 91 S.Ct. 1400, 28 L.Ed.2d 822 (1971); Carroll v. United States. 267 U.S. 132, 154, 45 S.Ct. 280, 69 L.Ed. 543 (1925); Boyd v. United States, 116 U.S. 616, 623, 6 S.Ct. 524, 29 L.Ed. 746 (1886). Accordingly, "E